https://openrocket.info/
brief description
OpenRocket is a free, fully featured model rocket simulator that allows you to design and simulate your rockets before you build and flying them.
additional information
Reliable simulations - Leverage state of the art Six-Degrees-of-Freedom flight simulation with over 50 variables. Analyze all aspects of your simulation with advanced plotting and exporting.
Easily design your models with CAD technology
Replicate all features of your existing model or new design. Everything from the density of materials to the quality of finish on the outside of your model. Choose from a massive catalog of existing components and materials, or make up your own and save for reuse later. You can even export your design drawings to PDF for building.
